Home / 126,045.96-173,943.44-68,685.30

Finding the Fourth Proportional to 126,045.96, 173,943.44 and 68,685.30

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Solution

The fourth proportional to 126,045.96, 173,943.44 and 68,685.30 is: 94,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,045.96 : 173,943.44 = 68,685.30 : x
  2. Step 2: Convert to fraction form
    126,045.96/173,943.44 = 68,685.30/x
  3. Step 3: Cross multiply
    126,045.96x = 173,943.44 × 68,685.30
  4. Step 4: Simplify right side
    126,045.96x = 11,947,357,016.01
  5. Step 5: Solve for x
    x = 11,947,357,016.01/126,045.96
  6. Step 6: Final answer
    x = 94,785.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.